高稳定性3通道可编程线性电压/电流输出，具有四个3位清零LED显示屏
数字面板和旋转编码开关，粗/精控制
3种输出模式：独立/串联/并联
跟踪模式：CH1和CH2的输出自动串联或并联
四组保存/调用，锁定，输出ON / OFF
恒压（CV）/恒流（CC）电源
过载和反极性保护，智能温控风扇冷却
USB接口和遥控器，免费电脑软件（型号YB3303D，3305D）

技术规格：
输出：3通道，两个可变和一个固定输出
电压输出：（0〜30V）x2，2.5V / 3.3V / 5V固定
电压分辨率：10mV / 100mV
电压精度：≤0.5％+ 2dgt
电流输出：（0〜3A）x2,3A固定（型号Yb3303 / D），（0〜5A）x2,3A固定（型号Yb3305 /
电流分辨率：10mA
电流精度：≤0.5％+ 2dgt
电压调节（Ch1和Ch2）：
负载效应：≤0.01％+ 3mV
源效应：≤0.01％+ 3mV
纹波和噪声：≤1mVrms（2mVrms）
温度系数：≤300ppm /℃
电流调节（Ch1和Ch2）：
负载效应：≤0.02％+ 3mA
源效应：≤0.02％+ 3mA
纹波和噪声：≤3mArms（6mArms）
固定输出（Ch3）：
电压调节：≤25mV
纹波和噪声：≤2mVrms
通讯和遥控：通过USB接口（可选）
尺寸：250x150x310mm
重量：7.0 / 10.0kgs约。
可选附件：连接电缆

High-stabilized 3-channels programmable linear voltage/current outputs, with four 3-digit clear LED display
Digital panel & rotary coding switch, coarse/fine control
3 output modes: independent/series/parallel
Tracking mode: output of CH1 & CH2 are automatically connected into series or parallel
Four groups of Save/Recall, Lock, output ON/OFF
Constant voltage (CV)/constant current (CC) source
Overload and reverse polarity protection, intelligent temperature-controlled fan cooling
USB interface and remote control, free PC software (model YB3303D, 3305D)

Technical specifications:
Output: 3 channels, two variable and one fixed outputs
Voltage output: (0~30V) x2, 2.5V/3.3V/5V fixed
Voltage resolution: 10mV /100mV
Voltage accuracy: ≤ 0.5%+ 2dgt
Current output: (0~3A) x2, 3A fixed (model Yb3303 /D), (0~5A) x2, 3A fixed (model Yb3305 /D)
Current resolution: 10mA
Current accuracy: ≤ 0.5%+ 2dgt
Voltage regulation (Ch1 & Ch2):
Load effect: ≤ 0.01%+3mV
Source effect: ≤ 0.01%+3mV
Ripple & noise: ≤1mVrms (2mVrms)
Temperature coefficient: ≤300 ppm/℃
Current regulation (Ch1 & Ch2):
Load effect: ≤ 0.02%+3mA
Source effect: ≤ 0.02%+3mA
Ripple & noise: ≤3mArms (6mArms)
Fixed output (Ch3):
Voltage regulation: ≤25mV
Ripple & noise: ≤2mVrms
Communication & remote control: via USB interface (optional)
Dimensions: 250x150x310mm
Weight: 7.0 /10.0kgs approx.
Optional accessories: connection cable